Ling has m dolls. alice has 3 times as many doll's as long. betty has 7 fewer doll's than alice. how many dolls do they have in all. give your answer in terms of m

Aman steps out of a plane at a height of 4,000m above the ground falls 2,000m very quickly and then opens his parachute and slowly falls the remaining 2000m to the ground what height above the ground would be the best choice for a reference point

Which statement is always true? a. square bcdf is a rectangle. b. rectangle gjkm is a square. c. quadrilateral stpr is a trapezoid. d. parallelogram abcd is a rhombus.

What is the solution of the systems of equations? y=2/3x+3 x=-2